log4net - log4net is a tool to help the programmer output log statements to a variety of output targets.
Octopussy.pm - Octopussy, Log Management Solution
AWS CloudTrail - AWS CloudTrail is a web service that records AWS API calls for your account and delivers log files to you.
McAfee Enterprise Log Manager - McAfee Enterprise Log Manager automates log management and analysis for all log types and integrates with McAfee Enterprise Security Manager for analysis and incident management.
Logary - Professional logging metrics and analytics for your apps
Starfish ETL - The Starfish ETL (Extract Transform Load) Suite is a CRM integration and migration tool.